/* ==========================================================================
   clubph core stylesheet (css/clubph.css)
   All custom classes use the "gb91-" prefix for namespace isolation.
   Palette: #F4A460 | #6C757D | #0000FF | #3A3A3A | #F5DEB3 | #0000CD
   Dark colors as backgrounds, light colors as text.
   Mobile-first: container max-width 430px. Rem units with 62.5% root font.
   ========================================================================== */

:root {
  --gb91-bg: #3A3A3A;
  --gb91-bg-deep: #2b2b2b;
  --gb91-bg-soft: #4a4a4a;
  --gb91-primary: #0000CD;
  --gb91-primary-bright: #0000FF;
  --gb91-accent: #F4A460;
  --gb91-text: #F5DEB3;
  --gb91-text-dim: #d9c69a;
  --gb91-muted: #6C757D;
  --gb91-white: #ffffff;
  --gb91-radius: 1.2rem;
  --gb91-radius-sm: 0.8rem;
  --gb91-shadow: 0 0.4rem 1.2rem rgba(0,0,0,0.35);
  --gb91-transition: 0.25s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { font-size: 62.5%; -webkit-text-size-adjust: 100%; }

body {
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--gb91-bg);
  color: var(--gb91-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  overflow-x: hidden;
  max-width: 430px;
  margin: 0 auto;
  position: relative;
}

img { max-width: 100%; display: block; }
a { color: var(--gb91-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.gb91-container { width: 100%; max-width: 430px; margin: 0 auto; padding: 0 1.2rem; }
.gb91-wrapper { padding-top: 5.6rem; padding-bottom: 1rem; min-height: 100vh; }

/* ---------------------------------------------------------------------------
   Header / top navigation (fixed, floating)
   --------------------------------------------------------------------------- */
.gb91-header {
  position: fixed;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 1000;
  background: linear-gradient(135deg, var(--gb91-bg-deep), var(--gb91-bg-soft));
  border-bottom: 0.2rem solid var(--gb91-primary);
  box-shadow: var(--gb91-shadow);
}
.gb91-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  gap: 0.8rem;
}
.gb91-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
}
.gb91-brand-logo {
  width: 2.8rem; height: 2.8rem;
  border-radius: 0.6rem;
  border: 0.1rem solid var(--gb91-accent);
  object-fit: cover;
  flex-shrink: 0;
}
.gb91-brand-name {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--gb91-text);
  letter-spacing: 0.03rem;
  white-space: nowrap;
}
.gb91-brand-name b { color: var(--gb91-accent); }

.gb91-header-actions { display: flex; align-items: center; gap: 0.6rem; }
.gb91-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--gb91-radius-sm);
  font-size: 1.3rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: transform var(--gb91-transition), box-shadow var(--gb91-transition), background var(--gb91-transition);
  min-height: 3.6rem;
  white-space: nowrap;
}
.gb91-btn:active { transform: scale(0.96); }
.gb91-btn-register { background: linear-gradient(135deg, var(--gb91-primary), var(--gb91-primary-bright)); color: var(--gb91-white); box-shadow: 0 0.3rem 0.8rem rgba(0,0,205,0.45); }
.gb91-btn-login { background: linear-gradient(135deg, var(--gb91-accent), #d98c4a); color: #2a1a0a; }
.gb91-btn-ghost { background: transparent; border: 0.15rem solid var(--gb91-accent); color: var(--gb91-text); }

.gb91-menu-btn {
  background: transparent;
  border: 0.15rem solid var(--gb91-muted);
  color: var(--gb91-text);
  width: 3.6rem; height: 3.6rem;
  border-radius: var(--gb91-radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.8rem;
  flex-shrink: 0;
}
.gb91-menu-btn:hover { border-color: var(--gb91-accent); color: var(--gb91-accent); }

/* Mobile expandable menu (covers header, slides down) */
.gb91-mobile-menu {
  position: fixed;
  top: 5.6rem; left: 50%;
  transform: translateX(-50%) translateY(-120%);
  width: 100%;
  max-width: 430px;
  z-index: 9999;
  background: var(--gb91-bg-deep);
  border-bottom: 0.3rem solid var(--gb91-primary);
  box-shadow: var(--gb91-shadow);
  transition: transform 0.3s ease;
  visibility: hidden;
  padding: 1rem 1.2rem 1.6rem;
}
.gb91-mobile-menu.gb91-open { transform: translateX(-50%) translateY(0); visibility: visible; }
.gb91-mobile-menu h3 {
  font-size: 1.2rem;
  color: var(--gb91-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  margin: 0.8rem 0 0.4rem;
}
.gb91-mobile-menu ul { list-style: none; }
.gb91-mobile-menu li a {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.9rem 0.6rem;
  border-radius: var(--gb91-radius-sm);
  color: var(--gb91-text);
  font-size: 1.4rem;
  font-weight: 600;
  border-bottom: 0.05rem solid rgba(245,222,179,0.08);
}
.gb91-mobile-menu li a:hover { background: var(--gb91-bg-soft); color: var(--gb91-accent); text-decoration: none; }
.gb91-mobile-menu li a i { color: var(--gb91-accent); width: 2rem; text-align: center; }
.gb91-mobile-cta {
  margin-top: 1rem;
  display: flex;
  gap: 0.8rem;
}
.gb91-mobile-cta .gb91-btn { flex: 1; }

/* ---------------------------------------------------------------------------
   Hero carousel
   --------------------------------------------------------------------------- */
.gb91-carousel {
  position: relative;
  width: 100%;
  border-radius: var(--gb91-radius);
  overflow: hidden;
  margin: 1rem 0;
  box-shadow: var(--gb91-shadow);
}
.gb91-carousel-track { position: relative; width: 100%; aspect-ratio: 16 / 7; }
.gb91-carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
  cursor: pointer;
}
.gb91-carousel-slide.gb91-active { opacity: 1; }
.gb91-carousel-slide img { width: 100%; height: 100%; object-fit: cover; }
.gb91-carousel-caption {
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  padding: 0.8rem 1rem 1.6rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.75));
  color: var(--gb91-white);
  font-size: 1.3rem;
  font-weight: 700;
}
.gb91-carousel-dots {
  position: absolute;
  bottom: 0.6rem; right: 0.8rem;
  display: flex; gap: 0.5rem;
}
.gb91-carousel-dot {
  width: 0.7rem; height: 0.7rem;
  border-radius: 50%;
  background: rgba(245,222,179,0.5);
  border: none; cursor: pointer;
  transition: background var(--gb91-transition), transform var(--gb91-transition);
}
.gb91-carousel-dot.gb91-active { background: var(--gb91-accent); transform: scale(1.25); }

/* ---------------------------------------------------------------------------
   Section / heading scaffolding
   --------------------------------------------------------------------------- */
.gb91-section { margin: 2rem 0; }
.gb91-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 0.15rem solid var(--gb91-primary);
}
.gb91-section-head h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gb91-text);
  letter-spacing: 0.02rem;
}
.gb91-section-head h2 b, .gb91-section-head h2 em { color: var(--gb91-accent); font-style: normal; }
.gb91-section-link { font-size: 1.2rem; color: var(--gb91-accent); font-weight: 700; }
.gb91-h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gb91-text);
  line-height: 1.35;
  margin: 1rem 0;
  padding: 0.8rem 1rem;
  background: linear-gradient(135deg, rgba(0,0,205,0.25), rgba(244,164,96,0.15));
  border-left: 0.4rem solid var(--gb91-accent);
  border-radius: 0 0.6rem 0.6rem 0;
}
.gb91-h1 b { color: var(--gb91-accent); }
.gb91-lead {
  font-size: 1.35rem;
  line-height: 1.6rem;
  color: var(--gb91-text-dim);
  margin: 0.6rem 0 1rem;
}
.gb91-text p { margin: 0.6rem 0; }
.gb91-promo-text { color: var(--gb91-accent); font-weight: 700; }

/* ---------------------------------------------------------------------------
   Game grid (compact icon layout)
   --------------------------------------------------------------------------- */
.gb91-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
}
.gb91-game-card {
  background: var(--gb91-bg-soft);
  border-radius: var(--gb91-radius-sm);
  border: 0.1rem solid rgba(244,164,96,0.15);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--gb91-transition), border-color var(--gb91-transition), box-shadow var(--gb91-transition);
  display: flex;
  flex-direction: column;
}
.gb91-game-card:hover {
  transform: translateY(-0.3rem);
  border-color: var(--gb91-accent);
  box-shadow: 0 0.4rem 1rem rgba(244,164,96,0.25);
}
.gb91-game-card-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #1f1f1f;
}
.gb91-game-card-name {
  font-size: 1.05rem;
  line-height: 1.25rem;
  padding: 0.3rem 0.4rem 0.5rem;
  text-align: center;
  color: var(--gb91-text);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.gb91-cat-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gb91-accent);
  margin: 1.4rem 0 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05rem;
}
.gb91-cat-tag i { font-size: 1.6rem; }

/* ---------------------------------------------------------------------------
   Generic card / feature / list / FAQ
   --------------------------------------------------------------------------- */
.gb91-card {
  background: var(--gb91-bg-soft);
  border-radius: var(--gb91-radius);
  padding: 1.2rem;
  border: 0.1rem solid rgba(244,164,96,0.12);
  box-shadow: var(--gb91-shadow);
  margin: 1rem 0;
}
.gb91-card h3 { font-size: 1.5rem; color: var(--gb91-text); margin-bottom: 0.6rem; }
.gb91-card h3 b, .gb91-card h3 em { color: var(--gb91-accent); font-style: normal; }
.gb91-card p { color: var(--gb91-text-dim); margin: 0.4rem 0; }

.gb91-feature-list { list-style: none; display: grid; gap: 0.6rem; }
.gb91-feature-list li {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  padding: 0.8rem;
  background: var(--gb91-bg);
  border-radius: var(--gb91-radius-sm);
  border-left: 0.3rem solid var(--gb91-primary);
}
.gb91-feature-list i { color: var(--gb91-accent); font-size: 1.8rem; flex-shrink: 0; margin-top: 0.2rem; }
.gb91-feature-list b { color: var(--gb91-text); }

.gb91-steps { list-style: none; counter-reset: gb91step; display: grid; gap: 0.6rem; }
.gb91-steps li {
  counter-increment: gb91step;
  display: flex; gap: 0.8rem;
  padding: 0.8rem 0.8rem 0.8rem 3rem;
  background: var(--gb91-bg);
  border-radius: var(--gb91-radius-sm);
  position: relative;
  color: var(--gb91-text-dim);
}
.gb91-steps li::before {
  content: counter(gb91step);
  position: absolute;
  left: 0.8rem; top: 0.7rem;
  width: 1.8rem; height: 1.8rem;
  background: var(--gb91-primary-bright);
  color: var(--gb91-white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem;
}

.gb91-faq-item {
  background: var(--gb91-bg-soft);
  border-radius: var(--gb91-radius-sm);
  padding: 1rem;
  margin: 0.6rem 0;
  border-left: 0.3rem solid var(--gb91-accent);
}
.gb91-faq-item h4 { font-size: 1.35rem; color: var(--gb91-accent); margin-bottom: 0.3rem; }
.gb91-faq-item p { color: var(--gb91-text-dim); font-size: 1.3rem; }

/* RTP / data table (compact) */
.gb91-rtp-table { width: 100%; border-collapse: collapse; font-size: 1.2rem; margin-top: 0.6rem; }
.gb91-rtp-table th, .gb91-rtp-table td {
  text-align: left;
  padding: 0.6rem 0.4rem;
  border-bottom: 0.05rem solid rgba(245,222,179,0.12);
}
.gb91-rtp-table th { color: var(--gb91-accent); font-size: 1.15rem; text-transform: uppercase; }
.gb91-rtp-table td { color: var(--gb91-text-dim); }
.gb91-rtp-bar { height: 0.6rem; border-radius: 0.3rem; background: var(--gb91-bg); overflow: hidden; margin-top: 0.2rem; }
.gb91-rtp-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--gb91-primary-bright), var(--gb91-accent)); }

/* Testimonials */
.gb91-testimonials { display: grid; gap: 0.8rem; }
.gb91-testimonial {
  background: var(--gb91-bg-soft);
  border-radius: var(--gb91-radius-sm);
  padding: 1rem;
  border: 0.1rem solid rgba(244,164,96,0.15);
}
.gb91-testimonial-stars { color: var(--gb91-accent); font-size: 1.2rem; margin-bottom: 0.3rem; }
.gb91-testimonial p { color: var(--gb91-text-dim); font-style: italic; font-size: 1.25rem; }
.gb91-testimonial .gb91-author { color: var(--gb91-text); font-weight: 700; font-size: 1.2rem; margin-top: 0.4rem; }

/* Payment methods chips */
.gb91-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.6rem; }
.gb91-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border-radius: 2rem;
  background: var(--gb91-bg-soft);
  border: 0.1rem solid var(--gb91-muted);
  color: var(--gb91-text);
  font-size: 1.15rem;
  font-weight: 600;
}
.gb91-chip i { color: var(--gb91-accent); }

/* Winners showcase */
.gb91-winners { display: grid; gap: 0.5rem; }
.gb91-winner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.7rem 0.9rem;
  background: var(--gb91-bg-soft);
  border-radius: var(--gb91-radius-sm);
  border-left: 0.3rem solid var(--gb91-primary-bright);
}
.gb91-winner .gb91-winner-game { color: var(--gb91-text); font-weight: 700; font-size: 1.25rem; }
.gb91-winner .gb91-winner-amount { color: var(--gb91-accent); font-weight: 800; font-size: 1.3rem; }

/* CTA band */
.gb91-cta-band {
  margin: 1.6rem 0;
  padding: 1.4rem 1.2rem;
  border-radius: var(--gb91-radius);
  background: linear-gradient(135deg, var(--gb91-primary), var(--gb91-primary-bright));
  text-align: center;
  color: var(--gb91-white);
  box-shadow: 0 0.4rem 1rem rgba(0,0,205,0.4);
}
.gb91-cta-band h3 { font-size: 1.7rem; margin-bottom: 0.4rem; }
.gb91-cta-band p { font-size: 1.25rem; opacity: 0.9; margin-bottom: 0.8rem; }
.gb91-cta-band .gb91-btn { background: var(--gb91-accent); color: #2a1a0a; font-size: 1.4rem; padding: 0.8rem 2rem; }

/* Inline promo link style */
.gb91-link-text { color: var(--gb91-accent); font-weight: 700; border-bottom: 0.15rem dotted var(--gb91-accent); cursor: pointer; }
.gb91-link-text:hover { color: var(--gb91-primary-bright); border-bottom-color: var(--gb91-primary-bright); text-decoration: none; }

/* ---------------------------------------------------------------------------
   Footer
   --------------------------------------------------------------------------- */
.gb91-footer {
  background: var(--gb91-bg-deep);
  margin-top: 2rem;
  padding: 1.6rem 1.2rem 6rem;
  border-top: 0.3rem solid var(--gb91-primary);
}
.gb91-footer-intro { color: var(--gb91-text-dim); font-size: 1.25rem; margin-bottom: 1rem; }
.gb91-footer-links {
  display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 0.8rem 0;
}
.gb91-footer-links a {
  flex: 1 1 calc(50% - 0.6rem);
  padding: 0.6rem 0.8rem;
  background: var(--gb91-bg-soft);
  border-radius: var(--gb91-radius-sm);
  color: var(--gb91-text);
  font-size: 1.15rem;
  text-align: center;
  border: 0.1rem solid rgba(244,164,96,0.15);
}
.gb91-footer-links a:hover { border-color: var(--gb91-accent); color: var(--gb91-accent); text-decoration: none; }
.gb91-footer-promos { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.8rem 0; }
.gb91-footer-promos .gb91-btn { flex: 1 1 calc(50% - 0.5rem); font-size: 1.15rem; padding: 0.6rem 0.5rem; min-height: 3.4rem; }
.gb91-footer-copy {
  text-align: center;
  color: var(--gb91-muted);
  font-size: 1.1rem;
  margin-top: 1rem;
  padding-top: 0.8rem;
  border-top: 0.05rem solid rgba(108,117,125,0.4);
}

/* ---------------------------------------------------------------------------
   Mobile bottom navigation (fixed, 5 buttons, hidden on desktop)
   --------------------------------------------------------------------------- */
.gb91-bottomnav {
  position: fixed;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: 6rem;
  background: linear-gradient(180deg, var(--gb91-bg-soft), var(--gb91-bg-deep));
  border-top: 0.2rem solid var(--gb91-primary);
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  z-index: 1000;
  box-shadow: 0 -0.4rem 1rem rgba(0,0,0,0.4);
}
.gb91-bottomnav-btn {
  flex: 1;
  min-width: 6rem;
  min-height: 6rem;
  background: transparent;
  border: none;
  color: var(--gb91-text-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  cursor: pointer;
  transition: color var(--gb91-transition), transform var(--gb91-transition);
  padding: 0.4rem 0.2rem;
  position: relative;
}
.gb91-bottomnav-btn i, .gb91-bottomnav-btn .material-icons-outlined, .gb91-bottomnav-btn .material-icons-two-tone, .gb91-bottomnav-btn ion-icon {
  font-size: 2.4rem;
  line-height: 1;
}
.gb91-bottomnav-btn span {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02rem;
}
.gb91-bottomnav-btn:hover { color: var(--gb91-accent); }
.gb91-bottomnav-btn:active { transform: scale(0.92); }
.gb91-bottomnav-btn.gb91-current { color: var(--gb91-accent); }
.gb91-bottomnav-btn.gb91-current::before {
  content: "";
  position: absolute;
  top: 0; left: 30%; right: 30%;
  height: 0.25rem;
  background: var(--gb91-accent);
  border-radius: 0 0 0.3rem 0.3rem;
}
.gb91-bottomnav-btn .gb91-badge {
  position: absolute;
  top: 0.5rem; right: 1.4rem;
  background: var(--gb91-accent);
  color: #2a1a0a;
  font-size: 0.9rem;
  font-weight: 800;
  border-radius: 1rem;
  padding: 0 0.35rem;
  min-width: 1.5rem;
  height: 1.5rem;
  display: flex; align-items: center; justify-content: center;
}
.gb91-bottomnav-btn ion-icon { font-size: 2.4rem; }

/* Reveal-on-scroll */
.gb91-reveal { opacity: 0; transform: translateY(1.5rem); transition: opacity 0.6s ease, transform 0.6s ease; }
.gb91-reveal.gb91-visible { opacity: 1; transform: translateY(0); }

/* Utility */
.gb91-row { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.gb91-mt { margin-top: 1.2rem; }
.gb91-mb { margin-bottom: 1.2rem; }
.gb91-hidden { display: none; }

/* Desktop: hide bottom nav, allow wider canvas, lighter header padding */
@media (min-width: 769px) {
  body { max-width: 430px; box-shadow: 0 0 2rem rgba(0,0,0,0.5); }
  .gb91-bottomnav { display: none; }
}

/* Mobile bottom padding so content is not hidden under the fixed nav */
@media (max-width: 768px) {
  .gb91-wrapper { padding-bottom: 8rem; }
}

@media (max-width: 360px) {
  .gb91-game-grid { grid-template-columns: repeat(3, 1fr); }
  .gb91-section-head h2 { font-size: 1.6rem; }
  .gb91-h1 { font-size: 1.7rem; }
}